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SERVER-677 add floatApprox sm

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This commit is contained in:
Aaron
2010-03-01 09:26:35 -08:00
parent 45d3cfbfcf
commit 89f3e6d65b
2 changed files with 36 additions and 8 deletions
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22
scripting/engine_spidermonkey.cpp
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@@ -160,9 +160,14 @@ namespace mongo {
// NOTE No validation of passed in object
long long toNumberLongUnsafe( JSObject *o ) {
boost::uint64_t val =
( (boost::uint64_t)(boost::uint32_t)getNumber( o , "top" ) << 32 ) +
( boost::uint32_t)( getNumber( o , "bottom" ) );
boost::uint64_t val;
if ( hasProperty( o, "top" ) ) {
val =
( (boost::uint64_t)(boost::uint32_t)getNumber( o , "top" ) << 32 ) +
( boost::uint32_t)( getNumber( o , "bottom" ) );
} else {
val = getNumber( o, "floatApprox" );
}
return val;
}
@@ -566,10 +571,13 @@ namespace mongo {
case NumberLong: {
boost::uint64_t val = (boost::uint64_t)e.numberLong();
JSObject * o = JS_NewObject( _context , &numberlong_class , 0 , 0 );
// using 2 doubles here instead of a single double because certain double
// bit patterns represent undefined values and sm might trash them
setProperty( o , "top" , toval( (double)(boost::uint32_t)( val >> 32 ) ) );
setProperty( o , "bottom" , toval( (double)(boost::uint32_t)( val & 0x00000000ffffffff ) ) );
setProperty( o , "floatApprox" , toval( (double)(boost::int64_t)( val ) ) );
if ( val != boost::uint64_t( double( val ) ) ) {
// using 2 doubles here instead of a single double because certain double
// bit patterns represent undefined values and sm might trash them
setProperty( o , "top" , toval( (double)(boost::uint32_t)( val >> 32 ) ) );
setProperty( o , "bottom" , toval( (double)(boost::uint32_t)( val & 0x00000000ffffffff ) ) );
}
return OBJECT_TO_JSVAL( o );
}
case DBRef: {